Ch. 20.1 - Electric Charge and Static Electricity

Ch. 20.1

Electric Charge and Static Electricity

Open Ended

What are the two types of electric charge?

Multiple Choice

True or False? In an atom, negatively charged electrons surround a positively charged nucleus.

• True

• False

Multiple Choice

True or False? If a neutral atom gains one or more electrons, it becomes a positively charged ion.

• True

• False

Multiple Choice

True or False? Electric forces cause friction and other contact forces.

• True

• False

Multiple Choice

Which sentence is true about electric force?

• Like charges attract and opposite charges repel

• Electric force is the attraction or repulsion between electrically charged objects

• Electric force is inversely proportional to the amount of charge

• Electric force is inversely proportional to the square of the distance between two charges.

Fill in the Blank

Which are stronger inside an atom? Electric forces or gravitational forces?

Fill in the Blank

A charge's electric field is the effect the charge has on other _________ in the space around it.

Multiple Select

Which factors affect the strength of an electric field?

• The direction of the field

• Whether the charge is positive or negative

• The amount of charge that produces the field

• The distance from the charge

Multiple Choice

True or False? The field of a negative charge points away from the charge.

• True

• False

Multiple Choice

True or False? Charge can be transferred by friction, by contact, or by induction.

• True

• False

Fill in the Blank

Rubbing a balloon on your hair is an example of charging by ________.

Fill in the Blank

A charge transfer between objects that touch each other is called ________.

Multiple Choice

True or False? Static discharge occurs when a pathway through which charges can move forms suddenly.

• True

• False